Thin nasal mucosa is mainly considered for two reasons: First, children are relatively small, the mucosa of the nasal cavity is not fully grown and developed, no special treatment is needed, as children grow older the nasal mucosa will gradually become thicker. Second, but for adults if the body lacks vitamins, nasal bleeding often, the nasal mucosa is generally very weak, it is recommended that patients eat more fresh vegetables and fruits to replenish vitamins, and at the same time can be on the surface of the nasal mucosa, evenly coated with recombinant bovine basic fibroblast growth factor gel, can promote the growth of the nasal mucosa, to reduce nasal bleeding. Patients are advised not to dig their nostrils with their hands to avoid repeated ulceration of the nasal mucosa and aggravate the thinning of the nasal mucosa.